The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 21, 1998
Filed:
Dec. 28, 1995
Minoru Hayasaki, Yokohama, JP;
Canon Kabushiki Kaiaha, Tokyo, JP;
Abstract
An image heating apparatus includes an electroconductive heat generating element; an excitation coil for producing a magnetic flux, the excitation coil produces a magnetic flux which is effective to generate eddy current in the electroconductive heat generating element to generate heat in the electroconductive heat generating element; an electric circuit for energizing the excitation coil, the electric circuit having a series resonance circuit and a switching element connected with the series resonance circuit; electric power supply control means for controlling the switching element to effect switching between an energization state and non-energization state for the series resonance circuit.